Questão 1
Questão
during what stage of mitosis do the replicated chromosomes thicken and become visible?
Responda
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metaphase
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prophase
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anaphase
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interphase
Questão 2
Questão
what do you call diffusion of water through a cell membrane?
Responda
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endocytosis
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osmosis
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exocytosis
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passive transport
Questão 3
Questão
what type of organelle does respiration?
Responda
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nucleus
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chloroplast
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cytoplasm
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mitochondria
Questão 4
Questão
______ equilibrium occurs when there is no action taking place.
Questão 5
Questão
what does "iso-" mean?
Responda
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inside
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between
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equal
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beside
Questão 6
Questão
the [blank_start]lysosomes[blank_end] digest excess or worn-out cell parts.
Questão 7
Questão
the [blank_start]golgi[blank_end] package proteins within a cell and makes lipids.
Questão 8
Questão 9
Questão
what does a graduated cylinder measure?
Responda
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volume
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mass
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length
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weight
Questão 10
Questão
_________ are the smallest components of life.
Responda
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elements
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protons
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molecules
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atoms
Questão 11
Questão
the nucleus of an atom is surrounded by [blank_start]electrons[blank_end].
Questão 12
Questão
electrons can be shared between atoms by a [blank_start]covalent[blank_end] bond which forms a molecule.
Responda
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covalent
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ionic
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both
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neither
Questão 13
Questão
a ionic compound is formed when an [blank_start]ionic[blank_end] bond takes place and [blank_start]transfers[blank_end] electrons between atoms.
Responda
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ionic
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chemical
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covalent
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transfers
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shares
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stabilizes
Questão 14
Questão
a covalent bond stabilizes and conserves matter.
Questão 15
Questão
a [blank_start]chemical[blank_end] bond stabilizes and conserves matter.
Responda
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chemical
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covalent
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ionic
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sharing
Questão 16
Questão
water molecules are [blank_start]polar[blank_end].
Questão 17
Questão
what is measured on the PH scale?
Responda
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acids
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molecules
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electrons
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compounds
Questão 18
Questão
what number on the PH scale is neutral?
Questão 19
Questão
[blank_start]Acids[blank_end] are on the left side of the PH scale.
Questão 20
Questão
[blank_start]Bases[blank_end] contain more hydroxide ions.
Questão 21
Questão
what prevents fluctuations in the PH?
Responda
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acids
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atoms
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buffers
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bases
Questão 22
Questão
label the variables on the chart below. (independent/dependent)
Questão 23
Questão
what is another name for the placebo group in an experiment?
Responda
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control
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constant
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buffer
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dependent
Questão 24
Questão
label the water molecule below.
Responda
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postive hydrogen
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positive oxygen
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negative hydrogen
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negative oxygen
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positive oxygen
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positive hydrogen
Questão 25
Questão
[blank_start]water[blank_end] is a universal solvent.
Questão 26
Questão
[blank_start]surface tension[blank_end] is the top layer of water molecules that are extra cohesive which causes a skin like surface.
Responda
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surface tension
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adhesion
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cohesion
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density
Questão 27
Questão
when water molecules are attracted to other water molecules, it is called:
Responda
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surface tension
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adhesion
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density
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cohesion
Questão 28
Questão
[blank_start]enzymes[blank_end] are proteins that speed up biochemical reactions.
Responda
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enzymes
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lipids
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molecules
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atoms
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amino acids
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muscles
Questão 29
Questão
[blank_start]activation energy[blank_end] is the energy needed to start a reaction.
Questão 30
Questão
[blank_start]catalysts[blank_end] is another name for enzymes.
Questão 31
Questão
enzymes are specific because of the [blank_start]lock and key[blank_end] model.
Questão 32
Questão
enzymes work best in [blank_start]warm[blank_end] temperatures.
Questão 33
Questão
enzymes work best in [blank_start]neutral[blank_end] PH levels.
Responda
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neutral
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strongly acidic
-
strongly basic
Questão 34
Questão
nucleic acids are made up of:
Responda
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hydrogen
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oxygen
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ammonia
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nitrogen
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carbon
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sulfur
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phosphorus
Questão 35
Questão
the suffix "-ase" means [blank_start]enzymes[blank_end].
Questão 36
Questão
Prokaryotic means: [blank_start]before nucleus[blank_end]
Questão 37
Questão
in [blank_start]1665[blank_end], Robert Hooke [blank_start]came up with the term "cells"[blank_end]
Questão 38
Questão
who is the father of microorganisms?
Responda
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Robert Hooke
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Theodor Schwann
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Anton Van Leeuwenhoek
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Rudolf Virchow
Questão 39
Questão
In [blank_start]1838[blank_end], Matthais Schleiden discovered that all [blank_start]plants[blank_end] are made of cells.
Responda
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1838
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1665
-
1858
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plants
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animals
-
1839
Questão 40
Questão
In [blank_start]1839[blank_end], Theodor Schwann stated that all [blank_start]animals[blank_end] were made of cells.
Responda
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1839
-
1838
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1665
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animals
-
plants
Questão 41
Questão
[blank_start]Schwann and Schleiden[blank_end] came together to create the first rule of the cell theory: [blank_start]all living things are made of cells[blank_end].
Responda
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Schwann and Schleiden
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Hooke and Virchow
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Schwann and Leeuwenhoek
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Schwann and Virchow
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all living things are made of cells
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all cells come from preexisting cells
-
cells are the building block of life
Questão 42
Questão
which of the following are the 8 characteristics of life?
Questão 43
Questão
scientists use [blank_start]the scientific method[blank_end] as a way of problem solving involving experimentation, observation, and data collection.
Questão 44
Questão
when stating the purpose of an experiment you should write it in [blank_start]question[blank_end] form.
Responda
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question
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paragraph
-
statement
Questão 45
Questão
the variables that stay the same throughout an experiment are called the __________ variables.
Responda
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control
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independent
-
constant
-
dependent
Questão 46
Questão
the group of variables that are kept normal throughout an experiment are the ________ group.
Responda
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control
-
independent
-
constant
-
dependent
Questão 47
Questão
the variable that your are manipulating during an experiment is called the:
Responda
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dependent variable
-
independent variable
-
constant variable
Questão 48
Questão
Tiffany was investing how fast it took Hayden to react to different sounds. Identify the independent variable.
Questão 49
Questão
Justin usually blows his nose using Kleenex tissues. His snot keeps leaking through the tissue. He decided he is going to create an experiment to find out if there is something better. What is 1 constant?
Questão 50
Questão
Nick wanted to see how high an ice cube would float in different temperatures of water. Identify the dependent variable
Responda
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amount of water
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temperature of water
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height of ice cube
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size of ice cube
Questão 51
Questão
Justin usually blows his nose using Kleenex tissues. His snot keeps leaking through the tissue. He decided he is going to create an experiment to find out if there is something better. What is his control group?
Questão 52
Questão
what unit is used to measure mass?
Responda
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meter
-
liter
-
milliliter
-
gram
Questão 53
Questão
the prefix "milli-" values [blank_start]thousandth[blank_end]
Responda
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thousandth
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thousand
-
hundred
-
million
-
millionth
Questão 54
Questão
8.0 meters = [blank_start]8000.0[blank_end] mm
Questão 55
Questão
how many nm (nanometer) are in a μm (micrometer) ?
Questão 56
Questão
4590.0 μl = _____ ml
Questão 57
Questão
μm means [blank_start]micrometer[blank_end]
Questão 58
Questão
what does the prefix "nano-" value?
Responda
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hundred
-
billionth
-
thousandth
-
million
Questão 59
Questão
0.0087 l = _____ μl
Questão 60
Questão
Pure (24 carat) gold has a density of 19 g/ml. If you bought a "gold" ring and found it had a volume of 0.3 ml and weighed 5.7 grams, is it pure gold?
Questão 61
Questão
water freezes at [blank_start]0[blank_end]°c and [blank_start]32[blank_end]°f
Questão 62
Questão
water boils at [blank_start]212[blank_end]°f and [blank_start]100[blank_end]°c
Responda
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212
-
100
-
110
-
200
-
100
-
212
-
132
-
112
Questão 63
Questão
[blank_start]kg[blank_end] signifies a measurement of weight.
Questão 64
Questão
[blank_start]adhesion[blank_end] is when water sticks to other molecules.
Questão 65
Questão
[blank_start]cohesion[blank_end] is when water sticks to other water molecules.
Questão 66
Questão
which of the following are typical molecules categories?
Responda
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protein
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plant
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carbohydrates
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lipids
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alive
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nonliving
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nucleic acids
Questão 67
Questão
sugars, starches, and grains are all [blank_start]carbohydrates[blank_end].
Responda
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carbohydrates
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proteins
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lipids
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nucleic acids
Questão 68
Questão
Monosaccharides sustain you for longer.
Questão 69
Questão
fats, oil, lard, and butter are all [blank_start]lipids[blank_end].
Responda
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lipids
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carbohydrates
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proteins
-
nucleic acids
Questão 70
Questão
label the nucleotide below.
Responda
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phosphate
-
base
-
deoxyribose sugar
Questão 71
Questão
muscles and collagens are examples of:
Responda
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carbohydrates
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lipids
-
nucleic acids
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protein
Questão 72
Questão
nucleotides are a monomer of [blank_start]nucleic acids[blank_end]
Questão 73
Questão
nucleic acids are a monomer of [blank_start]proteins[blank_end].
Questão 74
Questão
which of the following carries genetic codes and recycles DNA?
Responda
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carbohydrates
-
lipids
-
nucleic acids
-
proteins
Questão 75
Questão
what do you call a chemical breakdown of a compound due to a reaction with water?
Responda
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cohesion
-
polypeptide
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decompensation
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hydrolysis
Questão 76
Questão
[blank_start]fatty acid[blank_end]s and [blank_start]glycerol[blank_end] are monomers of lipids.
Questão 77
Questão
[blank_start]lipids[blank_end] are a structural component of a cell's membrane.
Responda
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lipids
-
proteins
-
nucleic acids
-
carbohydrates
Questão 78
Questão
hormones are an example of [blank_start]lipids[blank_end].
Questão 79
Questão
fructose is an example of a [blank_start]monosaccharide[blank_end].
Responda
-
monosaccharide
-
disaccharide
Questão 80
Questão
sucrose and fruit are examples of [blank_start]disaccharides[blank_end].
Responda
-
disaccharides
-
monosaccharides
Questão 81
Questão
what do you call a chemical reaction that forms covalent bonds between monomers, also known as a removal of water.
Responda
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hydrolysis
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adhesion
-
dehydration synthesis
-
photosynthesis
Questão 82
Questão
covalent bonds that link amino acids together is a [blank_start]peptide[blank_end] bond.
Responda
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peptide
-
covalent
-
adhesive
-
cohesive
-
ionic
-
chemical
Questão 83
Questão
Put these parts of cells from the human body in order from smallest to biggest (1-4)
[blank_start]2[blank_end] - gene [blank_start]4[blank_end] - nucleus [blank_start]1[blank_end]- DNA [blank_start]3[blank_end]- chromosome
Questão 84
Questão
a woman is heterozygous for widow's peak and has a child with a man who is homozygous dominant for widow's peak. What is the probability (percentage) of having a child with an even hairline?
Questão 85
Questão
what does the prefix "phon-" mean?
Questão 86
Questão
what does the prefix "phag-" mean?
Questão 87
Questão
haploid are [blank_start]sex[blank_end] cells.
Questão 88
Questão
which of the following is not a reason cells undergo the cell cycle?
Responda
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growth
-
repair
-
change
-
reproduce
Questão 89
Questão
what do you call the division of two somatic cells? [blank_start]mitosis[blank_end]
Questão 90
Questão
where is DNA located inside of a chromosome? [blank_start]nucleus[blank_end]
Questão 91
Questão
green is the dominant color for sea monsters (G) while yellow (g) is recessive. What would be the genotype ratio if you crossed a homozygous green sea monster with a yellow sea monster?
Questão 92
Questão
[blank_start]Phenotypes[blank_end] are physical traits
Questão 93
Questão
Which of the following is an example of a heterozygous genotype?
Questão 94
Questão
[blank_start]Chlorophyll[blank_end] is the primary pigment found in chloroplast.
Questão 95
Questão
The prefix "necr-" means:
Questão 96
Questão
what does "nemat-" mean?
Questão 97
Questão
Bacteria have a nucleus.
Questão 98
Questão
write a hypothesis for the following statement:
watering a plant with salt water will kill the plant.
if [blank_start]you water a plant with salt water[blank_end], then [blank_start]you will kill it[blank_end].
Questão 99
Questão
Check all of the following that you can find in an animal cell.
Responda
-
cell wall
-
cytoplasm
-
nucleus
-
chloroplast
-
mitochondria
Questão 100
Questão
prokaryotic cells have a nucleus.